Diverticulitis is the acute inflammation of the diverticulum or saclike protrusion from the wall of the intestines caused by injury and bacterial proliferation.
Abdominal pain is usually localized to the left lower quadrant, is abrupt, steady, severe and worsens over time.
Other signs and symptoms are fever, anorexia, nausea, vomiting, and altered bowel movements especially constipation but may also present with diarrhea or tenesmus.
Anal fissure is an ulceration of the anoderm in the anal canal. Treatments usually do not target these causative factors. Recently, this review has been published giving an update on the management of anal fissure.